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Merge #19836: rpc: Properly deserialize txs with witness before signing

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3333077823 rpc: Adjust witness-tx deserialize error message (MarcoFalke)
cccc752569 rpc: Properly deserialize txs with witness before signing (MarcoFalke)

Pull request description:

  Signing a transaction can only happen when the transaction has inputs. A transaction with inputs can always be deserialized as witness-transaction. If `try_no_witness` decoding is attempted, this will lead to rare intermittent failures.

  Fixes #18803

ACKs for top commit:
  achow101:
    ACK 3333077823
  ajtowns:
    ACK 3333077823

Tree-SHA512: 73f8a5cdfe03fb0e68908d2fa09752c346406f455694a020ec0dd1267ef8f0a583b8e84063ea74aac127106dd193b72623ca6d81469a94b3f5b3c766ebf2c42b
This commit is contained in:
fanquake 2020-10-16 11:31:12 +08:00
commit cbb5f3a2d5
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4 changed files with 14 additions and 13 deletions
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src/rpc/mining.cpp
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@ -352,7 +352,7 @@ static RPCHelpMan generateblock()
txs.push_back(MakeTransactionRef(std::move(mtx)));
} else {
throw JSONRPCError(RPC_DESERIALIZATION_ERROR, strprintf("Transaction decode failed for %s", str));
throw JSONRPCError(RPC_DESERIALIZATION_ERROR, strprintf("Transaction decode failed for %s. Make sure the tx has at least one input.", str));
}
}